vc_screen: prune macros

Do not undefine random words. I guess this was here as there were macros
with such generic names somewhere. I very doubt they still exist. So
drop these.

And remove a spare blank line.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200818085706.12163-16-jslaby@suse.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/vt/vc_screen.c

@@ -50,11 +50,7 @@
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
 
-#undef attr
-#undef org
-#undef addr
 #define HEADER_SIZE	4u
-
 #define CON_BUF_SIZE (CONFIG_BASE_SMALL ? 256 : PAGE_SIZE)
 
 /*